Do not deliver email messages to a BlackBerry device when no filter rules apply

You can configure a BlackBerry Enterprise Server to prevent the delivery of incoming email messages to a user’s BlackBerry device when no email message filters apply to the email messages.
  1. In the BlackBerry Administration Service, on the BlackBerry solution management menu, expand User.
  2. Click Manage users.
  3. Search for a user account.
  4. In the search results, click the name of a user account.
  5. In the Messaging configuration section, click Default configuration.
  6. Click Edit user.
  7. On the Email tab, in the Email message filter rules section, click Do not forward email messages to the device.
  8. Click Continue to user information edit.
  9. Click Save all.